The objective of this research is to describe and analyze the disorders of the psychic activity staff of patients with atrial fibrillation; and explain the commitment of its functional activity using the theoretical model of the personality sociobiologic (MOS) (Ortiz, 1994, 1995, 1997, 1997b, 1998, 1999, 2002). The sample shall be composed of all patients diagnosed by a medical specialist, which have presented an episode or more of atrial fibrillation, after having suffered anxiety and recurrent depression, which in previous studies it has been recorded that brings change in their quality of life (Chest,2007), and we would like to explain a posteriori the dysfunctional aspects that have been given in the affective processing- emotive, cognitive-productive and intellect-related symptoms were mental information of the aware of the individual.The non-probabilistic sampling is intentional, a...